Major improvements and optimization of the tree database subsystem, leading to faster and more reliable trees.

A new and powerful analysis feature, based on IDeA tree generation strategies. Pick one of the predefined strategies that come with Aquarium 2016, or create your own and generate trees based on any pattern you want. Read review by Dadi Jonson.
Queries to the online 7-piece tablebase server are processed much faster than in previous versions.

Both the 64-bit and the 32-bit versions now support DSN databases and iBook
Numerous other minor changes and fixes, for example, Ctrl-X hotkey deletes all "Sent to server" move markers in the game score.